文章摘要
Effect of Accelerator on Tensile Modulus Stability of Tire Compounds Under Small Strain
Received:May 10, 2021  Revised:May 16, 2021
DOI：10.12136/j.issn.1000-890X.2023.03.0207
Key Words: tire；tensile modulus；small strain；accelerator；hot air aging；tensile fatigue aging
Author NameAffiliationE-mail
BI Honghua Qingdao University of Science and Technology 320546022@qq.com 
LI Minghui Qingdao University of Science and Technology  
YUAN Haoze Qingdao University of Science and Technology  
LI Peixing Qingdao University of Science and Technology  
WANG Xinyu Qingdao University of Science and Technology  
PENG Junbiao2 Zhongce Rubber Group Co.，Ltd  
SUN Jutao* Qingdao University of Science and Technology jtsun@qust.edu.cn 
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Abstract:
      The effect of accelerator dosage and accelerator blending on the tensile modulus stability of tire compounds under small strain was studied. The results showed that，after the hot air aging，the growth rate of the tensile modulus at 20% strain（20% tensile modulus for short） of the compound increased with the increase of accelerator CBS dosage，and the decline rate could be effectively reduced by partially replacing accelerator CBS with accelerator DTDM. However，after the tensile fatigue aging，the decline rate of the 20% tensile modulus of the compound decreased with the increase of accelerator CBS dosage，which increased by partially replacing accelerator CBS with accelerator DTDM.
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